def calculate_tips(meal_price: str, custom_tip: str) -> list[str]:
    price = float(meal_price.lstrip('$'))
    price15 = price*0.15
    price20 = price*0.2
    price_custom = price*float(custom_tip.rstrip('%'))*0.01
    return ['$%.2f' % p for p in (price15, price20, price_custom)]


if __name__ == '__main__':
    print(calculate_tips("$10.00", "25%"))